25 lines
533 B
TypeScript
25 lines
533 B
TypeScript
import React from 'react'
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export const useUpdatedEffect = (
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effect: React.EffectCallback,
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dependencies: React.DependencyList
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) => {
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const isFirstRender = useRef(true)
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useEffect(() => {
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if (isFirstRender.current) {
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isFirstRender.current = false
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} else {
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return effect()
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}
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}, dependencies)
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}
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export const usePrevious = <T,>(value: T): T | undefined => {
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const ref = useRef<T>()
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useEffect(() => {
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ref.current = value
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})
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return ref.current
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}
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